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| author | Simon Glass <sjg@chromium.org> | 2014-12-02 13:17:39 -0700 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2015-01-14 11:35:44 -0500 |
| commit | 9c55c54fb474ba5bc005e489639aa06c3c00d012 (patch) | |
| tree | a8f70a715afa7efb79668fc926ae8df026ab28a7 /lib/gunzip.c | |
| parent | 362a0e43a37aa5a6316bcf895def4eda8391bb2e (diff) | |
| download | u-boot-9c55c54fb474ba5bc005e489639aa06c3c00d012.zip u-boot-9c55c54fb474ba5bc005e489639aa06c3c00d012.tar.gz u-boot-9c55c54fb474ba5bc005e489639aa06c3c00d012.tar.bz2 | |
gunzip: Update lenp even on error
This allows the caller to easily detect how much of the destination buffer
has been used.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'lib/gunzip.c')
| -rw-r--r-- | lib/gunzip.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/gunzip.c b/lib/gunzip.c index 35abfb38..f469fcb 100644 --- a/lib/gunzip.c +++ b/lib/gunzip.c @@ -73,6 +73,7 @@ int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, int stoponerr, int offset) { z_stream s; + int err = 0; int r; s.zalloc = gzalloc; @@ -92,13 +93,13 @@ int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, if (stoponerr == 1 && r != Z_STREAM_END && (s.avail_out == 0 || r != Z_BUF_ERROR)) { printf("Error: inflate() returned %d\n", r); - inflateEnd(&s); - return -1; + err = -1; + break; } s.avail_in = *lenp - offset - (int)(s.next_out - (unsigned char*)dst); } while (r == Z_BUF_ERROR); *lenp = s.next_out - (unsigned char *) dst; inflateEnd(&s); - return 0; + return err; } |